Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 57 insertions, 20 deletions

diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index a6712a95d76a..ec3271993411 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -68,9 +68,6 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
 	u32 i, idx;
 	bool rxclear_polarity = ath_bt_config.bt_rxclear_polarity;
 
-	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-		return;
-
 	if (AR_SREV_9300_20_OR_LATER(ah))
 		rxclear_polarity = !ath_bt_config.bt_rxclear_polarity;
 
@@ -98,12 +95,43 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
 }
 EXPORT_SYMBOL(ath9k_hw_init_btcoex_hw);
 
-void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
+void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
-	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
+	/*
+	 * Check if BTCOEX is globally disabled.
+	 */
+	if (!common->btcoex_enabled) {
+		btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE;
 		return;
+	}
+
+	if (AR_SREV_9462(ah)) {
+		btcoex_hw->scheme = ATH_BTCOEX_CFG_MCI;
+	} else if (AR_SREV_9300_20_OR_LATER(ah)) {
+		btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
+		btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9300;
+		btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9300;
+		btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO_9300;
+	} else if (AR_SREV_9280_20_OR_LATER(ah)) {
+		btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9280;
+		btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9280;
+
+		if (AR_SREV_9285(ah)) {
+			btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
+			btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO_9285;
+		} else {
+			btcoex_hw->scheme = ATH_BTCOEX_CFG_2WIRE;
+		}
+	}
+}
+EXPORT_SYMBOL(ath9k_hw_btcoex_init_scheme);
+
+void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
+{
+	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
 	/* connect bt_active to baseband */
 	REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL,
@@ -127,9 +155,6 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
 {
 	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
-	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-		return;
-
 	/* btcoex 3-wire */
 	REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
 			(AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB |
@@ -152,13 +177,34 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
 }
 EXPORT_SYMBOL(ath9k_hw_btcoex_init_3wire);
 
+void ath9k_hw_btcoex_init_mci(struct ath_hw *ah)
+{
+	ah->btcoex_hw.mci.ready = false;
+	ah->btcoex_hw.mci.bt_state = 0;
+	ah->btcoex_hw.mci.bt_ver_major = 3;
+	ah->btcoex_hw.mci.bt_ver_minor = 0;
+	ah->btcoex_hw.mci.bt_version_known = false;
+	ah->btcoex_hw.mci.update_2g5g = true;
+	ah->btcoex_hw.mci.is_2g = true;
+	ah->btcoex_hw.mci.wlan_channels_update = false;
+	ah->btcoex_hw.mci.wlan_channels[0] = 0x00000000;
+	ah->btcoex_hw.mci.wlan_channels[1] = 0xffffffff;
+	ah->btcoex_hw.mci.wlan_channels[2] = 0xffffffff;
+	ah->btcoex_hw.mci.wlan_channels[3] = 0x7fffffff;
+	ah->btcoex_hw.mci.query_bt = true;
+	ah->btcoex_hw.mci.unhalt_bt_gpm = true;
+	ah->btcoex_hw.mci.halted_bt_gpm = false;
+	ah->btcoex_hw.mci.need_flush_btinfo = false;
+	ah->btcoex_hw.mci.wlan_cal_seq = 0;
+	ah->btcoex_hw.mci.wlan_cal_done = 0;
+	ah->btcoex_hw.mci.config = 0x2201;
+}
+EXPORT_SYMBOL(ath9k_hw_btcoex_init_mci);
+
 static void ath9k_hw_btcoex_enable_2wire(struct ath_hw *ah)
 {
 	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
-	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-		return;
-
 	/* Configure the desired GPIO port for TX_FRAME output */
 	ath9k_hw_cfg_output(ah, btcoex_hw->wlanactive_gpio,
 			    AR_GPIO_OUTPUT_MUX_AS_TX_FRAME);
@@ -170,9 +216,6 @@ void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
 {
 	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
-	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-		return;
-
 	btcoex_hw->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
 				     SM(wlan_weight, AR_BTCOEX_WL_WGHT);
 }
@@ -261,9 +304,6 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah)
 	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 	int i;
 
-	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-		return;
-
 	btcoex_hw->enabled = false;
 	if (btcoex_hw->scheme == ATH_BTCOEX_CFG_MCI) {
 		ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE);
@@ -312,9 +352,6 @@ static void ar9003_btcoex_bt_stomp(struct ath_hw *ah,
 void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
 			      enum ath_stomp_type stomp_type)
 {
-	if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-		return;
-
 	if (AR_SREV_9300_20_OR_LATER(ah)) {
 		ar9003_btcoex_bt_stomp(ah, stomp_type);
 		return;